org.drools.rule
Class QueryElement

java.lang.Object
  org.drools.rule.ConditionalElement
      org.drools.rule.QueryElement

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, RuleConditionElement, RuleComponent

public class QueryElement
extends ConditionalElement
implements Externalizable

See Also:

Serialized Form

Constructor Summary

QueryElement()

QueryElement(Pattern resultPattern, String queryName, Object[] argTemplate, Declaration[] requiredDeclarations, int[] declIndexes, int[] variableIndexes)

Method Summary

Object	clone() Returns a clone from itself
Object[]	getArgTemplate()
int[]	getDeclIndexes()
Map	getInnerDeclarations() Returns a Map of declarations that are visible inside this conditional element
List	getNestedElements() Returs a list of RuleConditionElement's that are nested inside the current element
Map	getOuterDeclarations() Returns a Map of declarations that are visible outside this conditional element.
String	getQueryName()
Declaration[]	getRequiredDeclarations()
Pattern	getResultPattern()
int[]	getVariableIndexes()
boolean	isPatternScopeDelimiter() Returns true in case this RuleConditionElement delimits a pattern visibility scope.
void	readExternal(ObjectInput in)
void	replaceDeclaration(Declaration declaration, Declaration resolved)
Declaration	resolveDeclaration(String identifier) Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

QueryElement

public QueryElement()

QueryElement

public QueryElement(Pattern resultPattern,
                    String queryName,
                    Object[] argTemplate,
                    Declaration[] requiredDeclarations,
                    int[] declIndexes,
                    int[] variableIndexes)

Method Detail

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

getQueryName

public String getQueryName()

getArgTemplate

public Object[] getArgTemplate()

getDeclIndexes

public int[] getDeclIndexes()

getVariableIndexes

public int[] getVariableIndexes()

getInnerDeclarations

public Map getInnerDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible inside this conditional element

Specified by:

getInnerDeclarations in interface RuleConditionElement

Returns:

getOuterDeclarations

public Map getOuterDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible outside this conditional element.

Specified by:

getOuterDeclarations in interface RuleConditionElement

Returns:

getNestedElements

public List getNestedElements()

Description copied from interface: RuleConditionElement

Returs a list of RuleConditionElement's that are nested inside the current element

Specified by:

getNestedElements in interface RuleConditionElement

Returns:

getResultPattern

public Pattern getResultPattern()

isPatternScopeDelimiter

public boolean isPatternScopeDelimiter()

Description copied from interface: RuleConditionElement

Returns true in case this RuleConditionElement delimits a pattern visibility scope. For instance, AND CE is not a scope delimiter, while NOT CE is a scope delimiter

Specified by:

isPatternScopeDelimiter in interface RuleConditionElement

Returns:

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

resolveDeclaration

public Declaration resolveDeclaration(String identifier)

Description copied from interface: RuleConditionElement

Resolves the given identifier in the current scope and returns the Declaration object for the declaration. Returns null if identifier can not be resolved.

Specified by:

resolveDeclaration in interface RuleConditionElement

Returns:

replaceDeclaration

public void replaceDeclaration(Declaration declaration,
                               Declaration resolved)

clone

public Object clone()

Description copied from interface: RuleConditionElement

Returns a clone from itself

Specified by:

clone in interface RuleConditionElement

Specified by:

clone in class ConditionalElement

Returns: